Global Patent Index - EP 2576901 A1

EP 2576901 A1 20130410 - CELLULOSIC BARRIER COMPOSITION COMPRISING ANIONIC POLYMER

Title (en)

CELLULOSIC BARRIER COMPOSITION COMPRISING ANIONIC POLYMER

Title (de)

CELLULOSEBARRIEREZUZSAMMENSETZUNG MIT EINEM ANIONISCHEN POLYMER

Title (fr)

COMPOSITION BARRIÈRE CELLULOSIQUE COMPRENANT UN POLYMÈRE ANIONIQUE

Publication

EP 2576901 A1 20130410 (EN)

Application

EP 11721060 A 20110524

Priority

  • US 34883610 P 20100527
  • EP 10164093 A 20100527
  • EP 2011058461 W 20110524
  • EP 11721060 A 20110524

Abstract (en)

[origin: WO2011147823A1] A composition is provided comprising a) cellulose fibres having a number average length of from 0.001 to 0.5 mm and a specific surface area of from 1 to 100 m2/g; b) an at least partially hydrolysed vinyl acetate polymer; and c) at least one anionic polymer. The composition is useful in providing self-supporting films or coating layers for providing barriers to permeable substrates.

IPC 8 full level

D21H 11/18 (2006.01)

CPC (source: EP US)

B32B 27/10 (2013.01 - US); C08K 7/02 (2013.01 - US); D21H 11/18 (2013.01 - EP US); D21H 17/36 (2013.01 - EP US); D21H 21/14 (2013.01 - EP US); D21H 19/20 (2013.01 - EP US); D21H 21/52 (2013.01 - EP US); Y10T 428/31906 (2015.04 - EP US)

Citation (search report)

See references of WO 2011147823A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2011147823 A1 20111201; AU 2011257349 B2 20131121; BR 112012029617 A2 20170926; BR 112012029617 B1 20200218; CA 2799003 A1 20111201; CA 2799003 C 20210119; CN 102933767 A 20130213; CN 102933767 B 20160518; EP 2576901 A1 20130410; EP 2576901 B1 20200318; JP 2013528239 A 20130708; JP 5694519 B2 20150401; RU 2012154890 A 20140710; RU 2570449 C2 20151210; TW 201211133 A 20120316; TW I596147 B 20170821; US 2013202870 A1 20130808

DOCDB simple family (application)

EP 2011058461 W 20110524; AU 2011257349 A 20110524; BR 112012029617 A 20110524; CA 2799003 A 20110524; CN 201180027520 A 20110524; EP 11721060 A 20110524; JP 2013511650 A 20110524; RU 2012154890 A 20110524; TW 100118729 A 20110527; US 201113697540 A 20110524